package com.atguigu.gmall.realtime.app.dwd.db;

import com.atguigu.gmall.realtime.app.BaseSQLApp;
import com.atguigu.gmall.realtime.common.Constant;
import com.atguigu.gmall.realtime.util.SQLUtil;
import org.apache.flink.streaming.api.environment.StreamExecutionEnvironment;
import org.apache.flink.table.api.Table;
import org.apache.flink.table.api.bridge.java.StreamTableEnvironment;

/**
 * @Author lzc
 * @Date 2023/1/3 11:17
 */
public class Dwd_06_DwdTradeOrderRefund extends BaseSQLApp {
    public static void main(String[] args) {
        new Dwd_06_DwdTradeOrderRefund().init(
            3005,
            2,
            "Dwd_06_DwdTradeOrderRefund"
        );
        
    }
    
    @Override
    public void handle(StreamExecutionEnvironment env,
                       StreamTableEnvironment tEnv) {
        // 1. 读取 ods_db
        readOdsDb(tEnv, "Dwd_06_DwdTradeOrderRefund");
        // 2. 读取字典表
        readBaseDic(tEnv);
        // 3. 过滤退单表
        Table orderRefundInfo = tEnv.sqlQuery("select " +
                                                  "data['id'] id," +
                                                  "data['user_id'] user_id," +
                                                  "data['order_id'] order_id," +
                                                  "data['sku_id'] sku_id," +
                                                  "data['refund_type'] refund_type," +
                                                  "data['refund_num'] refund_num," +
                                                  "data['refund_amount'] refund_amount," +
                                                  "data['refund_reason_type'] refund_reason_type," +
                                                  "data['refund_reason_txt'] refund_reason_txt," +
                                                  "data['create_time'] create_time," +
                                                  "pt," +
                                                  "ts " +
                                                  "from ods_db " +
                                                  "where `database`='gmall2022' " +
                                                  "and `table`='order_refund_info' " +
                                                  "and `type`='insert' ");
        tEnv.createTemporaryView("order_refund_info", orderRefundInfo);
        // 4. 过滤订单表
        Table orderInfo = tEnv.sqlQuery("select " +
                                            "data['id'] id," +
                                            "data['province_id'] province_id," +
                                            "`old` " +
                                            "from ods_db " +
                                            "where `database`='gmall2022' " +
                                            "and `table`='order_info' " +
                                            "and `type`='update' " +
                                            "and `old`['order_status'] is not null " +
                                            "and `data`['order_status']='1005' ");
        tEnv.createTemporaryView("order_info", orderInfo);
        
        // 5. join(4 张)\
        Table result = tEnv.sqlQuery("select " +
                                         "ori.id," +
                                         "ori.user_id," +
                                         "ori.order_id," +
                                         "ori.sku_id," +
                                         "oi.province_id," +
                                         "date_format(ori.create_time,'yyyy-MM-dd') date_id," +
                                         "ori.create_time," +
                                         "ori.refund_type," +
                                         "dic1.dic_name refund_type_name," +
                                         "ori.refund_reason_type," +
                                         "dic2.dic_name refund_reason_type_name," +
                                         "ori.refund_reason_txt," +
                                         "ori.refund_num," +
                                         "ori.refund_amount," +
                                         "ori.ts " +
                                         "from order_refund_info ori " +
                                         "join order_info oi on ori.order_id=oi.id " +
                                         "join base_dic for system_time as of ori.pt as dic1 " +
                                         "on ori.refund_type=dic1.dic_code " +
                                         "join base_dic for system_time as of ori.pt as dic2 " +
                                         "on ori.refund_reason_type=dic2.dic_code ");
        // 6. 写出到 kafka
        tEnv.executeSql("create table dwd_trade_order_refund(" +
                            "id string," +
                            "user_id string," +
                            "order_id string," +
                            "sku_id string," +
                            "province_id string," +
                            "date_id string," +
                            "create_time string," +
                            "refund_type_code string," +
                            "refund_type_name string," +
                            "refund_reason_type_code string," +
                            "refund_reason_type_name string," +
                            "refund_reason_txt string," +
                            "refund_num string," +
                            "refund_amount string," +
                            "ts bigint " +
                            ")" + SQLUtil.getKafkaSinkDDL(Constant.TOPIC_DWD_TRADE_ORDER_REFUND));
        // sink:  a int, b string, c bigint
        // query: aa int, cc, string dd bigint
        
        result.executeInsert("dwd_trade_order_refund");
        //        tEnv.executeSql("insert into dwd_trade_order_refund select * from " + result);
        
    }
}
/*
交易域退单事务事实表
    order_refund_info       insert
        join
    order_info              update   order_status=1005(退款中)
    
    
    
 */